function formatImage(cellvalue, options, row) {
	 return "<img src='verImagenData?idCodigo="+cellvalue 
			 +"' width='100' height='80' />";
}
function formatBarra(cellvalue, options, row) {
	 return "<img src='verImagenBarra?idCodigo="+cellvalue 
			 +"' width='100' height='80' />";
}
function formatEnlace(cellvalue, options, row) {
	 return "<a href='verEspecificacion?idCodigo="+cellvalue 
			 +"'> Descargar <a/>";
}	